They have the very broad mission of "preventing anticompetitive, deceptive, and unfair business practices" which includes electronics but not a strong focus. Upon looking into it further, the few big cases I was remembering were privacy related rather than consumer electronics [1][2]. They also set energy standards and vet environmental marketing claims but that doesn't really match the approve/deny role that the FDA does.

[1] https://en.wikipedia.org/wiki/In_re_Sears_Holdings_Managemen....

[2] https://en.wikipedia.org/wiki/In_re_Gateway_Learning_Corp.